[llvm-commits] [llvm] r60664 - /llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp

[Mikhail Glushenkov]

Author: foldr
Date: Sun Dec  7 10:45:12 2008
New Revision: 60664

URL: http://llvm.org/viewvc/llvm-project?rev=60664&view=rev
Log:
Better error message.

Modified:
    llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp

Modified: llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp?rev=60664&r1=60663&r2=60664&view=diff

==============================================================================
--- llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/LLVMCConfigurationEmitter.cpp Sun Dec  7 10:45:12 2008
@@ -584,7 +584,12 @@
 
   void onActions (const DagInit* d) {
     checkNumberOfArguments(d, 1);
-    toolDesc_.Actions = d->getArg(0);
+    Init* Case = d->getArg(0);
+    if (typeid(*Case) != typeid(DagInit) ||
+        static_cast<DagInit*>(Case)->getOperator()->getAsString() != "case")
+      throw
+        std::string("The argument to (actions) should be a 'case' construct!");
+    toolDesc_.Actions = Case;
   }
 
   void onCmdLine (const DagInit* d) {